Patents by Inventor Tsuyoshi Okazaki

Tsuyoshi Okazaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20150115599
    Abstract: A hose connector comprises a connector main body (12, 112, 190), a lock member (14, 82, 88, 94, 114), a cam mechanism (70, 170: 68, 168, 194) that converts the rotational movement of the lock member into an axial movement thereof, and clamping features (24; 42, 142) formed in the inner and outer circumferential surfaces of the lock member and the connector main body which clamps a hose end by moving axially toward each other. The hose end can be connected to a pipe or a pipe-like member with ease in a reliable manner and without requiring a tool.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 30, 2015
    Applicant: NIFCO INC.
    Inventors: Motoharu Takai, Tsuyoshi Okazaki
  • Patent number: 9013668
    Abstract: A liquid crystal display panel 10 includes a first substrate 20 and a second substrate 40 facing each other; a liquid crystal layer 50 formed between the pair of substrates; and a sealing portion 60 located so as to surround the liquid crystal layer. An insulating film is formed on a surface of the first substrate which faces the liquid crystal layer. The insulating film has a stacking structure including at least an organic insulating film 33 and an inorganic insulating film 38 located on the organic insulating film. In a peripheral portion of the insulating film which surrounds the liquid crystal layer, an inorganic insulating film non-formed portion 35 in which the inorganic insulating film is not formed is provided. A surface of the sealing portion which faces the first substrate is entirely located in the inorganic insulating film non-formed portion and entirely adheres to the organic insulating film.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: April 21, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hijiri Nakahara, Tsuyoshi Okazaki, Shogo Nishiwaki, Mitsunori Harada
  • Publication number: 20150049269
    Abstract: In a liquid crystal display device of a lateral electric field mode including a first substrate (50) and a second substrate (60) having a liquid crystal layer (70) therebetween, a first electrode (18) and a second electrode (16) located in the first substrate, and an alignment film (28) provided to be in contact with the liquid crystal layer; the alignment film (28) includes a first alignment region that aligns liquid crystal molecules in a first domain (P1) in a first alignment axis azimuth (D1), a second alignment region that aligns liquid crystal molecules in a second domain (P2) in a second alignment axis azimuth (D2), a third alignment region that aligns liquid crystal molecules in a third domain (P3) in the first alignment axis azimuth (D1), and a fourth alignment region that aligns liquid crystal molecules in a fourth domain (P4) in the second alignment axis azimuth (D2).
    Type: Application
    Filed: March 12, 2013
    Publication date: February 19, 2015
    Inventor: Tsuyoshi Okazaki
  • Publication number: 20150015817
    Abstract: A liquid crystal display device (100) according to an embodiment of the present invention operates in a lateral electric field mode, and includes: first and second substrates (50, 60) disposed with a liquid crystal layer (70) interposed therebetween; a first electrode (16) and a second electrode (18) on the first substrate; and a first alignment film (28). The first alignment film includes a first alignment region (A1) in which liquid crystal molecules are to be aligned in a first alignment azimuth and a second alignment region (A2) in which liquid crystal molecules are to be aligned in a substantially orthogonal second alignment azimuth. When a voltage is applied between the first electrode and the second electrode, liquid crystal molecules in the first alignment region and liquid crystal molecules in the second alignment region rotate in an identical direction.
    Type: Application
    Filed: December 27, 2012
    Publication date: January 15, 2015
    Inventor: Tsuyoshi Okazaki
  • Patent number: 8907938
    Abstract: A liquid crystal display device which can suppress generation of a locally luminous part where a dark line disappears. The display device includes: a pair of substrates, a liquid crystal layer sandwiched between the pair of substrates, wherein one of the pair of substrates includes a pair of electrodes in pixel. At least one of the electrodes may include a comb-tooth portion. A first comb-tooth portion of one of the pair of electrodes and a second comb-tooth portion of the other one of the pair of electrodes may be disposed to face each other. The distance between the pair of electrodes in a transverse direction of the comb-tooth portions of the pair of electrodes is at most 10 ?m in example embodiments, and a rotational viscosity of the p-type nematic liquid crystals may be at least 130 mPa·s.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: December 9, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazunori Morimoto, Takehiko Sakai, Tetsuo Fujita, Dai Chiba, Katsuhiko Morishita, Tsuyoshi Okazaki
  • Patent number: 8902143
    Abstract: A liquid crystal display includes: a display section including a plurality of pixels and displaying an image through varying a gray scale of each of the pixels based on an image signal; a detection section detecting, based on the image signal, variations in gray scales of a first pixel and a second pixel which are adjacent to each other; and a control section performing control, based on a detection result of the detection section, to allow one of the first and second pixels to be maintained in black state of display for a predetermined period.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: December 2, 2014
    Assignee: Sony Corporation
    Inventors: Tomoro Yoshinaga, Tsuyoshi Okazaki
  • Publication number: 20130221665
    Abstract: [Object] A pipe connecting connector capable of solidly holding a connected state to a pipe is provided. [Means of Solving Problem] The pipe connecting connector includes a connector main body wherein a pipe is inserted and removed; a lock member including a pipe locking portion, which locks the pipe, and held in the connector main body to be capable of moving between a locking position wherein the pipe locking portion locks the pipe, and an unlocking position which releases the locking; and an urging device urging the lock member to a locking position side. In a case wherein the lock member is in the locking position, the pipe locking portion is structured to be urged in a direction of locking the pipe by an urging force of the urging device.
    Type: Application
    Filed: June 17, 2011
    Publication date: August 29, 2013
    Inventor: Tsuyoshi Okazaki
  • Publication number: 20130222725
    Abstract: A liquid crystal display panel 10 includes a first substrate 20 and a second substrate 40 facing each other; a liquid crystal layer 50 formed between the pair of substrates; and a sealing portion 60 located so as to surround the liquid crystal layer. An insulating film is formed on a surface of the first substrate which faces the liquid crystal layer. The insulating film has a stacking structure including at least an organic insulating film 33 and an inorganic insulating film 38 located on the organic insulating film. In a peripheral portion of the insulating film which surrounds the liquid crystal layer, an inorganic insulating film non-formed portion 35 in which the inorganic insulating film is not formed is provided. A surface of the sealing portion which faces the first substrate is entirely located in the inorganic insulating film non-formed portion and entirely adheres to the organic insulating film.
    Type: Application
    Filed: November 4, 2011
    Publication date: August 29, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Hijiri Nakahara, Tsuyoshi Okazaki, Shogo Nishiwaki, Mitsunori Harada
  • Publication number: 20130175165
    Abstract: An electrolytic electrode includes an electrode surface layer formed by a high-temperature heat treatment under a low oxygen partial pressure of 100 Pa or less and includes a valve metal oxide film, the electrode surface layer having, just beneath, a layer which includes a valve metal and a noble metal excluding silver and the noble metal is precipitated and dispersed in a crystal grain boundary of the valve metal, wherein a crystal of the valve metal in a range of down to 30 ?m in a vertical depth direction from the electrode surface is a crystal grain being elongated in a vertical cross-section from the electrode surface and a content of the noble metal in a range of down to 10 ?m in the vertical depth direction from the electrode surface is 5 at % or less.
    Type: Application
    Filed: September 14, 2011
    Publication date: July 11, 2013
    Applicant: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Tsuyoshi Okazaki, Nobuyasu Ezawa
  • Patent number: 8421975
    Abstract: The present invention provides a liquid crystal display device which can suppress generation of an afterimage.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: April 16, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Katsuhiko Morishita, Toshihiro Matsumoto, Tsuyoshi Okazaki
  • Publication number: 20130069995
    Abstract: A liquid crystal display includes: a display section including a plurality of pixels and displaying an image through varying a gray scale of each of the pixels based on an image signal; a detection section detecting, based on the image signal, variations in gray scales of a first pixel and a second pixel which are adjacent to each other; and a control section performing control, based on a detection result of the detection section, to allow one of the first and second pixels to be maintained in black state of display for a predetermined period.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 21, 2013
    Applicant: SONY CORPORATION
    Inventors: Tomoro Yoshinaga, Tsuyoshi Okazaki
  • Publication number: 20120326435
    Abstract: A lock member (16) moves between a standby position, in which a locking part (86) of a locking piece (78) provided on the lock member is placed inside a gap (44) provided between a projecting part (40) and a projecting part (42) provided on a lock part (36) of a connection part (18), and a connected position, in which the locking part is placed beneath the projecting part (42), and the lock member (16) moves to the connected position and is locked by the locking piece (78) when a pipe (12) is inserted up to a prescribed position. Also, an elastic piece (80) and the locking piece (78) are pushed to spread outward and accumulate urging force when being contacted by a flange part (12A) of the pipe (12), but return along an outer perimeter surface of the flange part (12A) and release the urging force when the locked state in the standby position of the locking part (86) is unlocked.
    Type: Application
    Filed: February 10, 2011
    Publication date: December 27, 2012
    Applicant: NIFCO INC.
    Inventor: Tsuyoshi Okazaki
  • Publication number: 20120182511
    Abstract: The present invention provides a liquid crystal display device that adopts a TBA mode that can suppress the occurrence of unevenness of luminance. The liquid crystal display device includes a pair of substrates disposed facing each other, and a liquid crystal layer sandwiched between the pair of substrates. One of the pair of substrates has a pair of comb-tooth-shaped electrodes. The pair of electrodes are disposed to planarly face each other in a pixel, and are formed by patterning the same layer. The liquid crystal layer includes p-type nematic liquid crystal, and is driven by an electric field generated between the pair of electrodes. The p-type nematic liquid crystal is vertically aligned with respect to the surfaces of the pair of substrates when no voltage is applied. A spacing between the pair of electrodes varies in a longitudinal direction of the pair of electrodes.
    Type: Application
    Filed: May 10, 2010
    Publication date: July 19, 2012
    Inventors: Yuhko Hisada, Takehisa Sakurai, Mitsuhiro Murata, Tsuyoshi Okazaki, Katsuhiko Morishita
  • Patent number: 8199139
    Abstract: There are provided a viewing angle control device that can provide a pure black display without coloring and have a significantly improved shielding ability in the narrow viewing angle state, and a display using the viewing angle control device. To adjust the VT (voltage-transmittance) characteristics of a viewing angle control liquid crystal panel (2) that switches a viewing angle between a wide viewing angle state and a narrow viewing angle state by using birefringence of liquid crystal, translucent electrode films (205r, 205g, 206b), to which alternating-current voltages with different frequencies are applied, are provided on a portion of at least one of a pair of translucent substrates (201, 202) sandwiching the liquid crystal, the portion corresponding to at least one color of a picture element of a display liquid crystal panel (1), so that the voltage-transmittance characteristics of the liquid crystal are adjusted.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: June 12, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tsuyoshi Okazaki, Takehiko Sakai, Katsuhiko Morishita, Yoshiharu Kataoka, Chikanori Tsukamura, Dai Chiba
  • Publication number: 20120127416
    Abstract: The present invention provides a liquid crystal display device having improved transmittance. The liquid crystal display device according to the present invention has a first substrate and a second substrate disposed to face each other, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes a pixel electrode to which a signal voltage is supplied and a common electrode to which a common voltage is supplied. The pixel electrode and the common electrode both comprise comb teeth. The comb teeth of the pixel electrode and the comb teeth of the common electrode are disposed with each other alternately via an interval. The liquid crystal layer contains liquid crystal molecules having positive dielectric anisotropy. The liquid crystal molecules are aligned in a direction orthogonal to a surface of the first substrate in a voltage non-application condition.
    Type: Application
    Filed: May 10, 2010
    Publication date: May 24, 2012
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Katsuhiko Morishita, Tsuyoshi Okazaki, Takehiko Sakai, Dai Chiba, Shingo Kawashima, Tetsuo Fujita, Miyuki Yonezawa
  • Publication number: 20120069282
    Abstract: The present invention provides a liquid crystal display device capable of reducing a white tinge phenomenon in a vertical alignment mode having at least a pair of comb-shaped electrodes. The present invention provides a liquid crystal display device including a pair of substrates disposed opposite each other, and a liquid crystal layer sandwiched between the pair of substrates, wherein one of the pair of substrates includes a pair of comb-shaped electrodes, the pair of electrodes are disposed opposite each other planarly within a pixel, the liquid crystal layer contains p-type nematic liquid crystal and is driven by an electric field generated between the pair of electrodes, the p-type nematic liquid crystal is vertically aligned relative to surfaces of the pair of substrates when no voltage is applied, and two or more regions differing from each other in an interval between the pair of electrodes are formed within the pixel.
    Type: Application
    Filed: April 20, 2010
    Publication date: March 22, 2012
    Inventors: Tsuyoshi Okazaki, Takehiko Sakai, Katsuhiko Morishita, Shingo Kawashima, Dai Chiba, Tetsuo Fujita
  • Publication number: 20120062451
    Abstract: The present invention provides a liquid crystal display device that allows suppressing loss of display quality caused by additional capacitance. The present invention provides a liquid crystal display device provided with a first substrate and a second substrate disposed opposing each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate has a gate bus line, a source bus line, a pixel electrode to which an image signal is inputted, and a common electrode to which a common signal is inputted, the pixel electrode and the common electrode are comb-shaped within a pixel, an electric field parallel to the surface of the first substrate is generated between the pixel electrode and the common electrode within the pixel, and the common electrode is arranged, within a display area, at a layer that is different from a layer at which the gate bus line is formed and from a layer at which the source bus line is formed.
    Type: Application
    Filed: April 20, 2010
    Publication date: March 15, 2012
    Inventors: Katsuhiko Morishita, Tsuyoshi Okazaki, Takenhiko Sakai, Dai Chiba, Tetsuo Fujita, Kazunori Morimoto
  • Publication number: 20120057118
    Abstract: Provided is a liquid crystal display device in which transmittance can be enhanced. The present invention provides a liquid crystal display device provided with a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates. One of the substrates has a comb-shaped first electrode and a comb-shaped second electrode. The first electrode includes a first trunk portion and a first branch portion obliquely connected to the first trunk portion. The second electrode includes a second trunk portion and a second branch portion obliquely connected to the second trunk portion. The liquid crystal layer includes a p-type nematic liquid crystal that is vertically aligned with respect to the surfaces of the substrates when no voltage is applied. Each pixel has a blank portion of the second electrode having an acute angle-shaped blank portion and an obtuse angle-shaped blank portion that are mutually adjacent.
    Type: Application
    Filed: April 20, 2010
    Publication date: March 8, 2012
    Inventors: Katsuhiko Morishita, Tsuyoshi Okazaki, Takehiko Sakai, Dai Chiba, Tetsuo Fujita, Shingo Kawashima
  • Publication number: 20120050246
    Abstract: The present invention provides a liquid crystal display device which can suppress generation of a locally luminous part where a dark line disappears.
    Type: Application
    Filed: February 18, 2010
    Publication date: March 1, 2012
    Inventors: Kazunori Morimoto, Takehiko Sakai, Tetsuo Fujita, Dai Chiba, Katsuhiko Morishita, Tsuyoshi Okazaki
  • Publication number: 20110317118
    Abstract: The present invention provides a liquid crystal display device which is capable of reducing occurrence of white-floating and/or color tone change. The present invention relates to a liquid crystal display device, comprising: a first substrate and a second substrate disposed opposite to each other; and a liquid crystal layer between the first substrate and the second substrate. The first substrate has a first comb-shaped electrode and a second comb-shaped electrode. The first electrode and the second electrode are planarly disposed opposite to each other in a pixel. The second substrate has a third electrode which is partially disposed in the pixel and is configured to be supplied with a predetermined electric potential. The liquid crystal layer includes a p-nematic liquid crystal which is configured to be aligned perpendicularly to substrate surfaces of the first substrate and the second substrate when no voltage is applied.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 29, 2011
    Inventors: Tsuyoshi Okazaki, Katsuhiko Morishita, Toshihiro Matsumoto